<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      input{
        width: 500px;
        height: 50px;
        font-size: 30px;
      }
      button{
        height: 60px;
        font-size: 30px;
      }
    </style>
  </head>
  <body>
    <form action="http://pcapi-xiaotuxian-front-devtest.itheima.net/login/social/unbind">
      <input required type="text" name="mobile" placeholder="请输入要解绑QQ信息的手机号" />
      <br>
      <button id="btn">根据手机号绑定的qq信息</button>
    </form>
  </body>
</html>
